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Lot 131

‡An ammonite matrix

Canada, late Cretaceous
84cm long

This lot is sold with a double dagger (‡) refer to buyers guide
Condition: Good condition the matrix is 52 by 86cm, both these lots are really nice examples with great colour as well as being very large. Weight approx. 30.4kg. These types of ammonites all have a thin coating of presumably epoxy resin to consolidate the shell. The added benefit is that because it is a clear finish it adds to the lustre and highlights the natural beauty.
Estimate: £25,000 - £30,000
Bidding ended. Lot is unsold.

The Bear Paw geographical formation of Alberta, Canada is famous for a substance called ammolite, a most attractive mineral that is often used in jewellery and for other decorative purposes.  Ammolite is actually the crushed up remains of a fossil ammonite known scientifically as Placentieras meeki.  Sometimes, however, whole ammonites are found and these are far too rare and wonderful to be broken up into fragments.  they are fantastically coloured in shades of iridescent reds and greens and have to be seen to be believed.  Because of their great beauty, rarity and exquisite appearance they are highly sought after and the example offered here is a particularly large one.  Due to their intrinsic value their export from Canada is now subject to serious restrictions and only those that were exported legally can be offered for sale.  The ammonites lived over 70 million years ago during the late Cretaceous period and the extraordinary colours were formed due to the intense pressure and heat to which the fossils have been subjected over the course of their existence. 

Natural History, Fossils

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